SanDisk Professional G-RAID Shuttle 4 80TB 4-Bay Thunderbolt 3 RAID Array (4 x 20TB)

4 x 20TB 3.5' 7200 rpm HDDs 4 x Drive Bays Dual Thunderbolt 3 / USB 3.2 Gen 2 Ports Supports RAID 0, 1, 5, and 10 Pre-Configured in RAID 5 Hardware RAID Controller Read Speeds up to 1000 MB/s Write Speeds up to 1100 MB/s Preformatted for macOS 10.15 and Later Windows Compatible via Reformat